<template>
  <div class="rechargePage box-border font-26">
    <assets-head :title="$t('快速充币')" />
    <div class="mt-30 w-full text-center font-36 textColor">
      {{ coin.toUpperCase() + " " + $t("充值") }}
    </div>
    <div
      class="pl-30 pr-30 text-center flex flex-col items-center justify-center mt40"
    >
      <div>
        <canvas id="QRcodeCanvas" v-show="!imgshow"></canvas>
        <img :src="img" alt="" v-show="imgshow" class="QRcodeImg" />
      </div>
      <div
        class="code-btn btnMain text-center font-26 text-white"
        @click="download('#QRcodeCanvas')"
      >
        {{ $t("保存二维码") }}
      </div>
    </div>
    <div class="border-light-grey"></div>
    <div class="pl-30 pr-30">
      <div class="flex flex-col items-center justify-center">
        <div class="textColor font-30 mt50 break-word" ref="address">
          {{ address }}
        </div>
        <div
          v-clipboard:copy="address"
          v-clipboard:success="onCopy"
          v-clipboard:error="onError"
          class="font-26 border-solid-grey text-center code-btn rounded-6 textColor"
        >
          {{ $t("复制地址") }}
        </div>
      </div>
      <div>
        <div class="font-26 textColor">{{ $t("转出地址(选填)") }}</div>
        <div style="position: relative" class="mt-26 mb-60">
          <input
            style="padding-right: 80px"
            v-model="enterAddress"
            class="input-view font-26 textColor inputBackground"
            :placeholder="$t('请输入转出地址')"
          />
          <div
            style="
              position: absolute;
              right: 10px;
              top: 50%;
              color: #2c78f8;
              transform: translateY(-50%);
            "
            @click="pasteText"
          >
            {{ $t("粘贴") }}
          </div>
        </div>
      </div>
      <div class="mb-60">
        <div class="font-26 textColor">{{ $t("充币数量") }}</div>
        <div>
          <input
            v-model.trim="amount"
            class="input-view w-full font-26 textColor inputBackground"
            :placeholder="$t('请输入充币数量')"
          />
        </div>
      </div>
      <div>
        <div class="font-26 textColor">{{ $t("链名称") }}</div>
        <div class="flex">
          <div
            :class="
              blockchainIndex == index
                ? 'borderMain colorMain'
                : 'border-solid-dark-grey border-r-grey'
            "
            class="mr-20 flex-wrap font-32 text-center name-btn rounded textColor"
            v-for="(item, index) in chainList"
            :key="index"
            @click="changeBlockchain(index)"
          >
            {{ item.blockchain_name }}
          </div>
        </div>
      </div>
      <div>
        <div class="font-26 textColor">
          {{ $t("付款凭证（上传支付详情截图）") }}
        </div>
        <div class="img-box">
          <van-uploader
            style="width: 100%; height: 100%"
            v-model="fileList"
            :max-count="1"
            :before-read="beforeRead"
            :after-read="afterRead"
            @delete="deleteImg('frontFile')"
          />
        </div>
      </div>
    </div>
    <div class="hint-box">
      <div class="pl-30 pr-30">
        <div class="font-26 mb-27 textColor">{{ $t("重要提示") }}</div>
        <div class="font-28 text-grey" v-html="tip"></div>
        <button
          class="btnMain text-white next-btn font-30 rounded-lg"
          @click="nextBtn"
        >
          {{ $t("下一步") }}
        </button>
      </div>
    </div>
  </div>
</template>

<script>
import QRCode from "qrcode";
import { Icon } from "vant";
import * as imageConversion from "image-conversion";
import { Uploader } from "vant";
import Axios from "@/API/recharge.js";
import axios from "axios";
import assetsHead from "@/components/assets-head";
//import Config from "@/config";
import { BASE_URL } from "@/config";
import { signatureGenerate } from "@/utils/signatureUtil";
import { mapGetters } from "vuex";
export default {
  name: "rechargePage",
  components: {
    [Uploader.name]: Uploader,
    [Icon.name]: Icon,
    assetsHead,
  },
  data() {
    return {
      BASE_URL,
      tip: "",
      fileList: [],
      address: "",
      uploadImgUrl: "",
      nowUrl: "",
      session_token: "",
      amount: "", //充币数量
      from: "", //客户转出地址
      submitImg: "",
      coin: "", //币种
      blockchainIndex: 0,
      blockchain_name: "",
      chainList: [],
      QRCodeMsg: "",
      imgshow: false,
      img: "",
      enterAddress: "",
      isLoad1: false,
    };
  },
  computed: {
    ...mapGetters("user", ["userInfo"]),
  },
  mounted() {
    //获取域名
    this.nowUrl = "https://" + window.location.hostname;
    this.coin = this.$route.query.symbol;
    this.getData();
    if (this.userInfo.token) {
      this.getToken();
    }
    // https://www.wbfjsfhjdbsh.site/wap/api/cms!get.action?language=en&content_code=002&token=fe3c35583f8a4f12a86b0c13faa75ee6
    Axios.getRechargeTips({
      language: this.$i18n.locale,
      token: this.$store.state.user.userInfo.token,
      content_code: "002",
    })
      .then((res) => {
        //console.log('充值提示',res)
        this.tip = res.data.content;
      })
      .catch((err) => {
        if (err.code === "ECONNABORTED") {
          this.$toast(this.$t("网络超时！"));
        } else if (err !== undefined) {
          this.$toast(this.$t(err));
        }
      });
  },
  methods: {
    async pasteText() {
      try {
        const text = await navigator.clipboard.readText();
        this.enterAddress = text;
      } catch (err) {
        console.error("Failed to read clipboard contents: ", err);
      }
    },
    deleteImg(type) {
      switch (type) {
        case "frontFile":
          this.isLoad1 = false;
          break;
      }
    },
    getData() {
      Axios.getBlock({
        coin: this.coin,
      }).then((res) => {
        if (res.code == "0") {
          this.chainList = res.data;
          this.address = res.data[0].address;
          this.blockchain_name = res.data[0].blockchain_name;
          this.getQRCode();
        }
      });
    },
    changeBlockchain(index) {
      this.blockchainIndex = index;
      this.address = this.chainList[this.blockchainIndex].address;
      this.blockchain_name =
        this.chainList[this.blockchainIndex].blockchain_name;
      this.getQRCode();
    },
    getToken() {
      Axios.getRechargeToken().then((res) => {
        this.session_token = res.data.session_token;
      });
    },
    onClickLeft() {
      this.$router.go(-1);
    },
    onCopy(e) {
      this.$toast(this.$t("复制成功"));
    },
    onError(e) {
      this.$toast(this.$t("复制失败"));
    },
    //上传前
    beforeRead(file) {
      let types = ["image/jpeg", "image/jpg", "image/png"];
      const isImage = types.includes(file.type);
      if (!isImage) {
        this.$toast(this.$t("上传图片只能是JPG、JPEG、PNG格式!"));
        return false;
      }
      return true;
    },
    //上传完成
    async afterRead(file) {
      const { timestamp, signature, systemRandom } = signatureGenerate();
      const blob = await imageConversion.compressAccurately(file.file, 500);
      const formData = new FormData();
      formData.append("file", blob);
      const BASE_URL = this.BASE_URL;
      file.status = "uploading";
      file.message = this.$t("上传中...");
      await axios
        .post(`${BASE_URL}public/uploadimg!execute.action`, formData, {
          headers: {
            "Content-Type": "multipart/form-data",
            tissuePaper: timestamp,
            sign: signature,
            systemRandom: systemRandom,
          },
        })
        .then((res) => {
          if (res.data.code == 0) {
            this.submitImg = res.data.data;
            // this.uploadImgUrl = this.nowUrl+'/wap/public/showimg!showImg.action?imagePath=' + res.data.data;
            this.uploadImgUrl = `${BASE_URL}public/showimg!showImg.action?imagePath=${res.data.data}`;
            file.status = "success";
            this.$toast(this.$t("上传成功"));
            this.isLoad1 = true;
            // console.log(this.uploadImgUrl);
          } else {
            file.status = "failed";
            file.message = this.$t("图片上传失败");
            this.$toast(this.$t("上传失败"));
            this.isLoad1 = false;
          }
        })
        .catch((err) => {
          this.$toast(this.$t("上传失败"));
          this.isLoad1 = false;
        });
    },
    //生成二维码
    getQRCode() {
      let opts = {
        errorCorrectionLevel: "H", //容错级别
        type: "image/png", //生成的二维码类型
        quality: 0.3, //二维码质量
        margin: 4, //二维码留白边距
        width: 200, //宽
        height: 200, //高
        text: "http://www.xxx.com", //二维码内容
        color: {
          dark: "#333333", //前景色
          light: "#fff", //背景色
        },
      };
      this.QRCodeMsg = this.address; //生成的二维码为URL地址js
      let msg = document.getElementById("QRcodeCanvas"); // 将获取到的数据（val）画到msg（canvas）上
      QRCode.toCanvas(msg, this.QRCodeMsg, opts, function (error) {
        console.log(error);
      });
      // 将canvas转成图片格式，可以长按保存
      this.img = msg.toDataURL("image/png");
      this.imgshow = true;
    },
    download(selector) {
      // 通过 API 获取目标 canvas 元素
      const canvas = document.querySelector(selector);
      // 创建一个 a 标签，并设置 href 和 download 属性
      const el = document.createElement("a");
      // 设置 href 为图片经过 base64 编码后的字符串，默认为 png 格式
      el.href = canvas.toDataURL();
      el.download = "123";

      // 创建一个点击事件并对 a 标签进行触发
      const event = new MouseEvent("click");
      el.dispatchEvent(event);
    },
    nextBtn() {
      if (!this.amount) {
        this.$toast(this.$t("请输入数量"));
        return;
      }

      let numReg = /^[0-9]+([.]{1}[0-9]+){0,1}$/;
      if (!numReg.test(this.amount)) {
        this.$toast(this.$t("请输入数字"));
        return;
      }
      //             后台开启上传图片判断，效果不好再打开这个
      /*            if (!this.isLoad1) {
              this.$toast(this.$t('请上传图片'));
              return;
            }*/
      if (this.amount) {
        Axios.rechargeApply({
          session_token: this.session_token,
          amount: this.amount,
          from: this.enterAddress,
          blockchain_name: this.blockchain_name,
          img: this.submitImg,
          coin: this.coin,
          channel_address: this.address,
          tx: "",
        })
          .then((res) => {
            if (res.code == 0) {
              this.$router.push({
                path: "/recharge/rechargeSubmit",
              });
            } else {
              this.getToken();
              this.$toast(this.$t(res.msg));
            }
          })
          .catch((error) => {
            if (error.code === "ECONNABORTED") {
              this.$toast(this.$t("网络超时！"));
            } else if (error.msg !== undefined) {
              this.$toast(this.$t(error.msg));
            }
            this.getToken();
          });
      } else {
        this.$toast(this.$t("请输入充币数量"));
      }
    },
  },
};
</script>
<style lang="scss" scoped>
.rechargePage {
  width: 100%;
  box-sizing: border-box;

  ::v-deep .van-uploader__upload {
    @include themify() {
      background: themed("upload_bg");
    }
  }
}

.code-btn {
  width: 280px;
  height: 70px;
  margin-top: 36px;
  margin-bottom: 56px;
  line-height: 70px;
}

.mt50 {
  margin-top: 50px;
}

.mt70 {
  margin-top: 70px;
}

.input-view {
  height: 100px;
  width: 100%;
  border: none;
  outline: none;
  padding-left: 20px;
  box-sizing: border-box;
}

.name-btn {
  width: 210px;
  height: 80px;
  line-height: 80px;
  margin-top: 30px;
  margin-bottom: 50px;
}

.img-box {
  margin-top: 32px;
  margin-bottom: 90px;
}

.hint-box {
  @include themify() {
    background: themed("tab_background");
  }

  padding-top: 35px;
  padding-bottom: 52px;
}

.mtb27 {
  margin: 27px 0;
}

.next-btn {
  width: 100%;
  height: 100px;
  margin-top: 35px;
  border: none;
  outline: none;
}
</style>
